You are developing a Windows Store app by using JavaScript. The app persists a list of
stocks in the app’s settings. The stock list is identified by a key of stockList. The app must
allow users to remove their stock lists from the app’s settings. The following function call
removes the stockList setting:
deleteAppSetting(“stockList”) ;
You need to remove only stockList from the settings storage without disrupting other
settings. Which code segment should you use?

You are developing a Windows Store app by using JavaScript. The app will allow users to
customize various features. The customizations will be persisted by using the
saveMySettings function.
You need to persist the customizations.
Which code segment should you use?

HOTSPOT
You are developing a Windows Store app by using JavaScript. The app will be used to
create video blogs. The app uses the device’s internal camera. The app must meet the
following requirements:
• Allow the user to record audio and video.
• Save files in the .mp4 file format.
• Store files in the user’s Videos library.
You need to ensure that the app meets the requirements. How should you complete the
relevant code? (To answer, select the correct code segment from each drop-down list in the
answer area.)

HOTSPOT
You are developing a Windows Store app by using JavaScript. The app will be used in
multiple geographic regions. You need to ensure that the app displays dates in the regionspecific full date format. How should you complete the relevant code? (To answer, select the
correct code segment from each drop-down list in the answer area.)

You are developing a Windows Store app by using JavaScript. The app will be used in
multiple geographic locations. The app implements character grouping. You need to ensure
that the app can access only the first character group. Which code segment should you use?

DRAG DROP
You are developing a custom date picker control for a Windows Store app. The control must
meet the following requirements:
• Inherit from the WinJS DatePicker control.
• Provide an additional property to set if the date selection is required.
You need to ensure that the requirements are met. How should you complete the relevant
code? (To answer, drag the appropriate code segments to the correct locations in the
answer area. Each code segment may be used once, more than once, or not at all. You may
need to drag the split bar between panes or scroll to view content.)

HOTSPOT
You develop a Windows Store app by using JavaScript. The app displays a list of video
controls. The user can add video controls to the list. You need to animate the video control
list when the user adds a control to the list. How should you complete the relevant code? (To
answer, select the correct code segment from each drop-down list in the answer area.)

HOTSPOT
You are creating a Windows Store app by using JavaScript. You need to ensure that the app
can receive push notifications from a calling app. How should you complete the relevant
code? (To answer, select the appropriate method from the drop-down list in the answer area.)

You are developing a Windows Store app that uses Windows Push Notification Services
(WNS). The app includes the following code:

The app must poll a notification service once a day and update the app tile with new content.
You need to initiate polling. Which code segment should you insert at line 05?

You are writing a Windows Store app by using JavaScript. You need to authenticate a cloud
server as a source for Windows Push Notification Services (WNS). What should you do?
(Each correct answer presents part of the solution. Choose all that apply.)